WO2005035356A1 - Breath-hold diving life-jacket - Google Patents

Breath-hold diving life-jacket Download PDF

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Publication number
WO2005035356A1
WO2005035356A1 PCT/HR2004/000032 HR2004000032W WO2005035356A1 WO 2005035356 A1 WO2005035356 A1 WO 2005035356A1 HR 2004000032 W HR2004000032 W HR 2004000032W WO 2005035356 A1 WO2005035356 A1 WO 2005035356A1
Authority
WO
WIPO (PCT)
Prior art keywords
diver
jacket
life
breath
diving
Prior art date
Application number
PCT/HR2004/000032
Other languages
French (fr)
Inventor
Damir Krstinic
Original Assignee
Damir Krstinic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Damir Krstinic filed Critical Damir Krstinic
Priority to DE602004006300T priority Critical patent/DE602004006300D1/en
Priority to EP04769071A priority patent/EP1689637B1/en
Publication of WO2005035356A1 publication Critical patent/WO2005035356A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
    • B63C9/125—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments
    • B63C9/1255—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments inflatable

Definitions

  • the invention relates to life jacket intended to protected divers while breath-hold
  • Group B 63 C including Life-saving in water
  • Subgroup 9/08 including Life-buoys, e.g. rings; Life-belts, jackets, suits or the like.
  • the invention also belongs to the Section A - Human Necessities; Group A 62 B - including Devices, apparatus, or methods for life-saving; Subgroup 35/00 - including Safety belts or body harnesses.
  • the oxygen partial pressure in the lungs depends on the dive depth.
  • the partial pressure at 10 m depth is twice larger than at the surface, at 20 m it is three times larger, etc. Therefore, the diver, who is at a certain depth, apparently has enough oxygen in the lungs and has no feeling of air hunger.
  • the environmental pressure decreases and the oxygen partial pressure in the lungs suddenly falls.
  • the essence of the invention is the breath-take diving life jacket, designed and built, when inflated, to keep the diver's head above the water.
  • the jacket is activated and inflated automatically when it is detected that the diver is unconscious. It is activated by an electronic device that detects the beginning of the dive by detecting the increase of the outer pressure, turning itself active. When the outer pressure falls below a certain value, the electronic device detects surfacing and automatically starts countdown. At this moment, the diver is at the surface and, if conscious, he stops the countdown by pressing a button. If, after a certain period of time (about 5-10 sec), the diver did not press the button, the electronic device activates a sound alarm for a few seconds (up to 5 sec), warning the diver that he did not switch the timer off. If the diver still does not react, it is highly likely that he is unconscious, and the electronic device automatically activates the pressured gas cylinder that inflates the life jacket which, again, positions the diver's head above the water surface.
  • Figure 1 shows the breath-take diving life-jacket - perspective view.
  • Figure 2. shows the breath-take diving life-jacket shown in the Fig. 1, on the diver at the surface, in his normal position taken after surfacing.
  • Figure 3. shows an inflated life-jacket on the diver.
  • Figure 4. shows block diagram of the life-jacket electronic device.
  • the critical stage of a breath-take dive is the surfacing.
  • the diver's face remains immersed in the water and, when an uncontrolled inhalation occurs, the lungs are filled with water and the diver drowns.
  • the purpose of the invention is to keep the diver's head above the water surface in case of unconsciousness. In such case, when the muscles are relaxed, the diver starts breathing normally. In great many cases this is sufficient to safe the life of a diver who, after a few inhalations, wakes naturally from the state of unconsciousness.
  • the breath-take diving life-jacket comprises: the front and the back air bags, the front one being larger, fixed to the shoulder straps that keep the life jacket on the diver's body; the elastic belt with fastener that fixes the jacket around the diver's waist or chest; the compressed gas cylinder that, in case of drowning hazard, automatically activates and inflates the air bags, the life jacket rising the diver's head above the surface if it is detected that the diver floats unconscious; and the electronic device that controls the life jacket and comprises: the pressure sensor that detects the beginning of the dive and the surfacing, the controlling logics (micro-controller) that controls all functions of the device, the electromagnetic trigger that activates the gas cylinder, the manual switch by which the diver stops countdown of the automatic activation of the electromagnetic trigger, the sound alarm that additionally warns the diver to press the manual switch if he is conscious, and batteries that power the electronic device.
  • the electronic device that controls the life jacket and comprises: the pressure sensor that detects the beginning of the dive and the surfacing, the controlling
  • the inflated life jacket is to be shaped to keep the diver's mouth as higher from the surface as possible, providing free inhalation of air and preventing the diver to sink and drown.
  • the breath-take diving life-jacket may be embodied as a life-jacket independent from the existing diving equipment, or as a part of the existing diving equipment.
  • the appearance of the breath-take diving life-jacket 1 as shown in the Figure 1. is not compulsory but illustrates its functioning only.
  • the life jacket comprises: front air-bag 2, back air-bag 3, shoulder straps 4, elastic belt 5, belt fastener 6, compressed gas cylinder 7, and electronic device 8, which again comprises: pressure sensor 9, control logics (micro-controller) 10, electromagnetic trigger 11, manual switch 12, sound alarm 13, and batteries 14.
  • the life jacket is designed to keep, when inflated, the diver 15 in the wanted position (Fig. 3.).
  • the life jacked is not large, because the intention is not to significantly influence the diver's buoyancy, which is always positive at the surface, and it is desirable that the jacket does not hamper the diver in his normal activity.
  • the life jacket is put over the diver's shoulders and fastened on the chest.
  • the air bags, the front one being larger, are located at the diver's breast and the back, as high as possible in order to keep, when inflated, the diver's head 16 above the water surface 17.
  • On the right-hand shoulder strap there is the manual switch for switching the timer off, located so that the diver can switch the timer off easily and quickly, by a simple hand motion.
  • Figure 2 presents the life jacket on the diver, at the surface, in his normal position upon surfacing. This is the position the diver takes also in the case of loosing the consciousness. The diver's face is immersed, and he will not, by pressing the switch, deactivate the electromagnetic trigger and, thus, prevent activation of the life jacket.
  • the life jacket is provided with a pressured gas (CO 2 ) cylinder, that is perforated by a needle activated automatically by the electromagnetic trigger if the diver fails to switch the timer off manually after surfacing.
  • CO 2 pressured gas
  • the life jacket may also be embodied with an electronically operated valve instead of the needle and the electromagnetic trigger.
  • the electronic device is constructed to prevent switching off by an accidental pressure against the switch, e.g. in contact with the sea bed, because it is activated only when the outer pressure is decreased again, i.e., upon detection of surfacing.
  • the life jacket is embodied as part of the existing diving equipment.
  • An option is to construct the life jacket as part of the diving weight carried on the back. Divers often use such weight in underwater fishing, in order to distribute the weight of the plumb weights more evenly all over the body.
  • the jacket is placed on the diver's shoulders and fastened at the chest. On the diver's back, as a part of the life jacket, there is a plumb weight.
  • the air bags are in the shoulder straps and at the chest. This enables an even better position of an unconscious diver, since now, because of the load at his back, he leans further back, wherefore his mouth and nose are even farther above the water surface.
  • the electronic device and the manual switch for stopping the timer are placed on one of the shoulder straps.
  • the life jacket is provided with a pressured gas (CO 2 ) cylinder, that is perforated by a needle activated automatically by the electromagnetic trigger if the diver fails to switch the timer off manually after surfacing.
  • CO 2 pressured gas
  • the life jacked is to be made of usual materials and by the technology that is used in manufacturing jackets presently used on board vessels and aircraft, such as life jackets, buoyancy compensators for scuba diving, etc. It is important that the life jacket is resistant to wear since possible damages could prevent the intended effect.
  • the invention is produced as separate from the existing breath-take diving equipment, or as part of such equipment.
  • the diver uses it in every breath-diving immersion.
  • the device is never activated.
  • the cylinder In case of activation of the compressed gas cylinder that inflates the jacket, the cylinder is to be replaced and the device is to be inspected before its next use.
  • the battery Upon activation of the life jacket, besides replacing of the gas cylinder, the battery is to be replaced as well. The battery is to be replaced at adequate intervals in any case.

Abstract

The breath-take diving life jacket (1) is provided with air bags (2 and 3) that, when inflated, keep the diver's head above the water surface. The life jacket inflates automatically, wherefore at beginning of the immersion the electronic device (8) detects increase of the outer pressure and activates itself. When the outer pressure falls below a certain value, the electronic device detects surfacing and automatically starts the countdown. At this moment the diver (15) is at the surface and, if conscious, he switches the countdown off by pressing the manual switch (12). If, after a certain period of time, the diver did not press the manual switch, the electronic device sounds alarm, lasting a few seconds, that warns the diver that he forgot to switch the timer off. If the diver still does not react, it is highly probably that he is unconscious, and the electronic device automatically activates the compressed air cylinder (7) that inflates the life jacket and positions the diver with his head (16) above the water surface (17).

Description

BREATH-HOLD DIVING LIFE-JACKET
INVENTION DESCRIPTION
1. FIELD OF APPLICATION
The invention relates to life jacket intended to protected divers while breath-hold
(free) diving.
In the International Patent Classification, it is classified as Section B - Performing
Operations; Group B 63 C - including Life-saving in water; Subgroup 9/08 - including Life-buoys, e.g. rings; Life-belts, jackets, suits or the like.
The invention also belongs to the Section A - Human Necessities; Group A 62 B - including Devices, apparatus, or methods for life-saving; Subgroup 35/00 - including Safety belts or body harnesses.
2. TECHNICAL PROBLEM
When breath-take (free) diving, the diver inhales a certain volume of air at the surface, stops breathing and dives. During the dive, an exchange of gases takes place in the divers lungs, where the oxygen partial pressure, required for functioning of the organism, decreases. The oxygen partial pressure is calculated as follows: P(O2) = Vp(O2) X P environment (1 ) that is, the partial pressure of oxygen in the lungs equals the product of multiplication of the volume part (percentage) of oxygen in the gas and the environmental pressure.
In the air there is about 21% of oxygen, wherefore the oxygen partial pressure in the lungs at inhalation amounts to: Psurface (02) = 0.21 x 1 = 0.21 bar As the dive depth increases, the outer pressure rises and, according to the equation (1), there also increases the partial pressure of oxygen in the diver's lungs. By exchange of gases, the oxygen in the lungs is exhausted and its volume part in the gas decreases, accompanied by decrease of the oxygen partial pressure. When the oxygen partial pressure reaches a given value, the brain receives signal on the lack of oxygen in the organism (the so called air hunger). If the diver does not inhale after this, the inhalation signal is repeated more and more often. If the oxygen pressure in the organism decreased below the critical value, the diver looses consciousness.
It is evident from the equation (1) that the oxygen partial pressure in the lungs depends on the dive depth. Thus, at the same volume part of oxygen in the gas, the partial pressure at 10 m depth is twice larger than at the surface, at 20 m it is three times larger, etc. Therefore, the diver, who is at a certain depth, apparently has enough oxygen in the lungs and has no feeling of air hunger. At the diver rises to the surface, the environmental pressure decreases and the oxygen partial pressure in the lungs suddenly falls. Thus, a diver who has 10% of oxygen in the lungs at 10 m depth, according to the equation (1) has the oxygen partial pressure P ιom (O2) = 0.1 x 2 = 0.2 bars, and has no feeling of the lack of oxygen. However, while rising to the surface, the oxygen partial pressure falls, the same volume part to result in P surface (O2) = 0.1 x 1 = 0.1 bars at the surface, this causing a great risk of loosing the consciousness. This change of the outer pressure, therefore also of the oxygen partial pressure in the lungs is strongest immediately below the surface (between O and 1 m of depth), where the risk of unconsciousness is the greatest as well. Often the diver does not surface, however, loosing the consciousness at the very surface, before he takes the first air. This occurs perfectly suddenly and the diver is unable to react.
At the moment of loosing the consciousness, there occurs muscle spasm and closing of the airway, and there is no immediate inhalation, wherefore no sea water enters the lungs. After a short period of time (20 to 40 seconds), the muscles relax and the diver, unconscious, inhales. If at that moment the diver's face is submersed, the lungs feel with water and the diver drowns. The natural position of an unconscious person is prone, face immersed into the water, wherefore, loosing consciousness most often results in taking water into the lungs, sinking and drowning.
Since most divers encounter problems in the surfacing stage, at the very surface, it is essential to react quickly, immediately after loosing the consciousness and before the muscles relax and the lungs feel with water. Unfortunately, a large number of breath-take divers dive unescorted, and even when there is another person nearby, that person may fail to notice the unconsciousness because the diver has surfaced normally and is positioned as if watching the sea below, wherefore nothing unusual appears to be going on. The described invention deals with solving this problem.
3. STATE OF THE ART
To the best of the author's knowledge, presently there are no technical solutions that would prevent breath-take divers to inhale water. Most of the existing diving equipment and technical accessories deal with scuba diving. This is a completely different way of diving, making breath-take diving equipment inadequate.
4. DISCLOSURE OF THE INVENTION
The essence of the invention is the breath-take diving life jacket, designed and built, when inflated, to keep the diver's head above the water. The jacket is activated and inflated automatically when it is detected that the diver is unconscious. It is activated by an electronic device that detects the beginning of the dive by detecting the increase of the outer pressure, turning itself active. When the outer pressure falls below a certain value, the electronic device detects surfacing and automatically starts countdown. At this moment, the diver is at the surface and, if conscious, he stops the countdown by pressing a button. If, after a certain period of time (about 5-10 sec), the diver did not press the button, the electronic device activates a sound alarm for a few seconds (up to 5 sec), warning the diver that he did not switch the timer off. If the diver still does not react, it is highly likely that he is unconscious, and the electronic device automatically activates the pressured gas cylinder that inflates the life jacket which, again, positions the diver's head above the water surface.
5. ILLUSTRATION DESCRIPTIONS
Figure 1. shows the breath-take diving life-jacket - perspective view.
Figure 2. shows the breath-take diving life-jacket shown in the Fig. 1, on the diver at the surface, in his normal position taken after surfacing. Figure 3. shows an inflated life-jacket on the diver. Figure 4. shows block diagram of the life-jacket electronic device.
6. DETAILED DESCRIPTION OF INVENTION EMBODIMENTS
The critical stage of a breath-take dive is the surfacing. In case of loosing the consciousness, the diver's face remains immersed in the water and, when an uncontrolled inhalation occurs, the lungs are filled with water and the diver drowns. The purpose of the invention is to keep the diver's head above the water surface in case of unconsciousness. In such case, when the muscles are relaxed, the diver starts breathing normally. In great many cases this is sufficient to safe the life of a diver who, after a few inhalations, wakes naturally from the state of unconsciousness.
The breath-take diving life-jacket comprises: the front and the back air bags, the front one being larger, fixed to the shoulder straps that keep the life jacket on the diver's body; the elastic belt with fastener that fixes the jacket around the diver's waist or chest; the compressed gas cylinder that, in case of drowning hazard, automatically activates and inflates the air bags, the life jacket rising the diver's head above the surface if it is detected that the diver floats unconscious; and the electronic device that controls the life jacket and comprises: the pressure sensor that detects the beginning of the dive and the surfacing, the controlling logics (micro-controller) that controls all functions of the device, the electromagnetic trigger that activates the gas cylinder, the manual switch by which the diver stops countdown of the automatic activation of the electromagnetic trigger, the sound alarm that additionally warns the diver to press the manual switch if he is conscious, and batteries that power the electronic device.
All the above listed parts of the life jacket, depending on its design, could be distributed on the jacket in various ways, however, the manual switch is to be located on a shoulder strap or another place easily reachable by both the right and the left hands.
The inflated life jacket is to be shaped to keep the diver's mouth as higher from the surface as possible, providing free inhalation of air and preventing the diver to sink and drown.
The breath-take diving life-jacket may be embodied as a life-jacket independent from the existing diving equipment, or as a part of the existing diving equipment.
Life jacket independent from the existing diving equipment
The appearance of the breath-take diving life-jacket 1 as shown in the Figure 1. is not compulsory but illustrates its functioning only. The life jacket comprises: front air-bag 2, back air-bag 3, shoulder straps 4, elastic belt 5, belt fastener 6, compressed gas cylinder 7, and electronic device 8, which again comprises: pressure sensor 9, control logics (micro-controller) 10, electromagnetic trigger 11, manual switch 12, sound alarm 13, and batteries 14.
The life jacket is designed to keep, when inflated, the diver 15 in the wanted position (Fig. 3.). The life jacked is not large, because the intention is not to significantly influence the diver's buoyancy, which is always positive at the surface, and it is desirable that the jacket does not hamper the diver in his normal activity. The life jacket is put over the diver's shoulders and fastened on the chest. The air bags, the front one being larger, are located at the diver's breast and the back, as high as possible in order to keep, when inflated, the diver's head 16 above the water surface 17. On the right-hand shoulder strap, there is the manual switch for switching the timer off, located so that the diver can switch the timer off easily and quickly, by a simple hand motion. Within the electronic device, there is the sound generator that warns the diver of the timer not being switched off in time. Figure 2. presents the life jacket on the diver, at the surface, in his normal position upon surfacing. This is the position the diver takes also in the case of loosing the consciousness. The diver's face is immersed, and he will not, by pressing the switch, deactivate the electromagnetic trigger and, thus, prevent activation of the life jacket.
The life jacket is provided with a pressured gas (CO2) cylinder, that is perforated by a needle activated automatically by the electromagnetic trigger if the diver fails to switch the timer off manually after surfacing. The life jacket may also be embodied with an electronically operated valve instead of the needle and the electromagnetic trigger. The electronic device is constructed to prevent switching off by an accidental pressure against the switch, e.g. in contact with the sea bed, because it is activated only when the outer pressure is decreased again, i.e., upon detection of surfacing.
Life jacket independent from the existing diving equipment
The life jacket is embodied as part of the existing diving equipment. An option is to construct the life jacket as part of the diving weight carried on the back. Divers often use such weight in underwater fishing, in order to distribute the weight of the plumb weights more evenly all over the body. The jacket is placed on the diver's shoulders and fastened at the chest. On the diver's back, as a part of the life jacket, there is a plumb weight. The air bags are in the shoulder straps and at the chest. This enables an even better position of an unconscious diver, since now, because of the load at his back, he leans further back, wherefore his mouth and nose are even farther above the water surface.
The electronic device and the manual switch for stopping the timer are placed on one of the shoulder straps. The life jacket is provided with a pressured gas (CO2) cylinder, that is perforated by a needle activated automatically by the electromagnetic trigger if the diver fails to switch the timer off manually after surfacing. The life jacked is to be made of usual materials and by the technology that is used in manufacturing jackets presently used on board vessels and aircraft, such as life jackets, buoyancy compensators for scuba diving, etc. It is important that the life jacket is resistant to wear since possible damages could prevent the intended effect.
7. INVENTION APPLICATION
The invention is produced as separate from the existing breath-take diving equipment, or as part of such equipment. The diver uses it in every breath-diving immersion. In normal circumstances, the device is never activated. In case of activation of the compressed gas cylinder that inflates the jacket, the cylinder is to be replaced and the device is to be inspected before its next use. Upon activation of the life jacket, besides replacing of the gas cylinder, the battery is to be replaced as well. The battery is to be replaced at adequate intervals in any case.

Claims

PATENT CLAIMS
1. Breath-take diving life-jacket, provided with air bags, fixed to the diver's shoulders and fastened around his waist, wh erein , it comprises the inflatable front air bag (2) and back air bag (3); the air bags are fixed by shoulder straps (4) by which the life jacket is hung on the diver's body; it has the elastic belt (5) with fasteners (6) by which the life jacket is fastened around the diver's waist or chest; it is provided with the compressed gas cylinder (7) that, in case of danger of drowning, activates automatically and inflates the air bags that, when the diver is detected to be unconscious, keep the diver's head above the water surface; it is provided with the electronic device (8) that controls the life jacket, and comprises: the pressure sensor (9) that detects the beginning of the dive and of the surfacing, the controlling logics (microcontroller) (10) that controls all functions of the electronic device, the electromagnetic trigger (11) that activates the gas cylinder, the manual switch (12) by which the diver switches off the electromagnetic trigger (11) self- activation timer, the sound alarm (13) that additionally reminds the diver to press the switch if he is conscious, and the batteries (14) that power the electronic device.
2. Breath-take diving life-jacket, as claimed in Claim 1, wh e e in , its front air bag (2) is larger than the back one (3).
3. Breath-take diving life-jacket, as claimed in Claims 1. and 2., wh e rei n , it is embodied separate from other diving equipment.
4. Breath-take diving life-jacket, as claimed in Claims 1. and 2., wh e re in , it is embodied as part of the diving weight carried at the back.
5. Breath-take diving life-jacket, as claimed in Claims 1. to 4., wh e rein , the manual switch (12) is always fixed to a shoulder strap (4) or at another place that is easy to reach by both the left and the right hand.
PCT/HR2004/000032 2003-10-13 2004-10-04 Breath-hold diving life-jacket WO2005035356A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE602004006300T DE602004006300D1 (en) 2003-10-13 2004-10-04 RESCUE VEST FOR DIVING WITH A BREATHED ATEM
EP04769071A EP1689637B1 (en) 2003-10-13 2004-10-04 Breath-hold diving life-jacket

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HRP20030827A 2003-10-13
HR20030827A HRP20030827A2 (en) 2003-10-13 2003-10-13 Breath-hold diving life-jacket

Publications (1)

Publication Number Publication Date
WO2005035356A1 true WO2005035356A1 (en) 2005-04-21

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ID=34430656

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/HR2004/000032 WO2005035356A1 (en) 2003-10-13 2004-10-04 Breath-hold diving life-jacket

Country Status (5)

Country Link
EP (1) EP1689637B1 (en)
AT (1) ATE361231T1 (en)
DE (1) DE602004006300D1 (en)
HR (1) HRP20030827A2 (en)
WO (1) WO2005035356A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007038794A2 (en) * 2005-09-29 2007-04-05 Oceanic Safety Systems Llc Freediving safety apparatus
CN101678883A (en) * 2007-02-25 2010-03-24 索斯马特救援有限公司 inflatable life-saving swimming garment
CN101804853A (en) * 2010-03-07 2010-08-18 李映宗 Inflatable swimming suit
ES2351561A1 (en) * 2008-08-11 2011-02-08 Lacados Especiales 2005 S.L. Aquatic lifeguard. (Machine-translation by Google Translate, not legally binding)
CN106864705A (en) * 2017-03-15 2017-06-20 李建军 Nasal-suction type diving outfit
CN107458555A (en) * 2017-08-02 2017-12-12 张家利 A kind of Automation Specialty lift jacket for swimming
CN109131790A (en) * 2018-10-22 2019-01-04 深圳市浅水科技有限公司 The anti-drowned lifesaving appliance of anticipation formula
CN112896466A (en) * 2021-03-04 2021-06-04 饶伊珂 Prevent drowned swimming equipment

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2998862A1 (en) * 2012-12-05 2014-06-06 Franck Jean Marie Luc Chesneau Individual shoulder belt for recue of e.g. spearfishing practitioners, has cord that is connected to push-button and vibrator, and another cord connected to solenoid valve connected with carbon dioxide bottle to allow inflation of bladder
CN110053739A (en) * 2019-04-19 2019-07-26 南京涵铭置智能科技有限公司 A kind of leisure diving equipment and its self-rescue method with safety self-saving function

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US5295765A (en) * 1991-07-31 1994-03-22 Under Sea Industries, Inc. Snorkeling vest
US5800228A (en) * 1997-04-14 1998-09-01 Hernandez; Ricardo G. Free-driver permanently wearable self-rescue system
DE19936893A1 (en) * 1999-07-29 2001-02-22 Auergesellschaft Gmbh Warning device for an SCBA
US20020127931A1 (en) * 2000-12-04 2002-09-12 Ming-Dong Chern Life jacket
US6558082B1 (en) * 1996-05-13 2003-05-06 William L. Courtney Combined ballast and signalling device for a personal flotation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295765A (en) * 1991-07-31 1994-03-22 Under Sea Industries, Inc. Snorkeling vest
US6558082B1 (en) * 1996-05-13 2003-05-06 William L. Courtney Combined ballast and signalling device for a personal flotation device
US5800228A (en) * 1997-04-14 1998-09-01 Hernandez; Ricardo G. Free-driver permanently wearable self-rescue system
DE19936893A1 (en) * 1999-07-29 2001-02-22 Auergesellschaft Gmbh Warning device for an SCBA
US20020127931A1 (en) * 2000-12-04 2002-09-12 Ming-Dong Chern Life jacket

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007038794A3 (en) * 2005-09-29 2007-06-28 Applied Ocean Specialties Inc Freediving safety apparatus
WO2007038794A2 (en) * 2005-09-29 2007-04-05 Oceanic Safety Systems Llc Freediving safety apparatus
US7988511B2 (en) * 2005-09-29 2011-08-02 Oceanic Safety Systems Llc Freediving safety apparatus
AU2009222455B2 (en) * 2007-02-25 2012-12-13 Sosmart Rescue Ltd. Life-saving apparatus
CN101678883A (en) * 2007-02-25 2010-03-24 索斯马特救援有限公司 inflatable life-saving swimming garment
CN101678883B (en) * 2007-02-25 2012-12-05 索斯马特救援有限公司 Inflatable life-saving swimming garment
ES2351561A1 (en) * 2008-08-11 2011-02-08 Lacados Especiales 2005 S.L. Aquatic lifeguard. (Machine-translation by Google Translate, not legally binding)
CN101804853A (en) * 2010-03-07 2010-08-18 李映宗 Inflatable swimming suit
CN106864705A (en) * 2017-03-15 2017-06-20 李建军 Nasal-suction type diving outfit
CN107458555A (en) * 2017-08-02 2017-12-12 张家利 A kind of Automation Specialty lift jacket for swimming
CN107458555B (en) * 2017-08-02 2019-10-29 张家利 A kind of Automation Specialty lift jacket for swimming
CN109131790A (en) * 2018-10-22 2019-01-04 深圳市浅水科技有限公司 The anti-drowned lifesaving appliance of anticipation formula
CN112896466A (en) * 2021-03-04 2021-06-04 饶伊珂 Prevent drowned swimming equipment

Also Published As

Publication number Publication date
EP1689637A1 (en) 2006-08-16
DE602004006300D1 (en) 2007-06-14
EP1689637B1 (en) 2007-05-02
ATE361231T1 (en) 2007-05-15
HRP20030827A2 (en) 2005-04-30

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